package com.up360.rapidcalc.data
{
	/**
	 * 作者:郎福涛
	 * 日期:2012-4-4 下午10:54:56
	 * 说明:
	 */	
	public class MainData
	{
		private static var _instance:MainData;
		
		public function MainData()
		{
		}
		
		public static function get instance():MainData{
			if(!_instance) _instance=new MainData();
			return _instance;
		}
	}
}